Ellis, E. S. (1877). Bill Biddon, trapper: Or, Life in the North-west. Beadle and Adams.
Lua i Stíl Chicago (17ú heag.)Ellis, Edward Sylvester. Bill Biddon, Trapper: Or, Life in the North-west. New York: Beadle and Adams, 1877.
Lua MLA (8ú heag.)Ellis, Edward Sylvester. Bill Biddon, Trapper: Or, Life in the North-west. Beadle and Adams, 1877.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.